v0.4.0

Changes by PR #26:

• regenerated Eggshell project using cookiecutter template.
• moved previous code from flyingpigeon to legacy package.
• added eggshell.utils module.
• updated documentation to use conda environemnt.
• enabled Python 3.7 test on Travis.

v0.3.0

Changes:

• updates from flyingpigeon (#21)
• added conda badges (#15)
• setup travis (#7)
• moved tests to top-level folder (#9)
• removed buildout (#8)
• moved heavy dependencies to subpackages (#5)